HP
HPE7-A08 · Question #189
You have enabled PIM and IGMP querier function on a pair of VSX switches, but noticed that the secondary switch is always elected as the querier for all VLANs. What could explain this behavior?
The correct answer is D. The secondary switch has a lower IP address. IGMP querier election is based on the lowest IP address in the VLAN. If the secondary switch has a lower IP address than the primary, it will always be elected as the querier.
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Question
You have enabled PIM and IGMP querier function on a pair of VSX switches, but noticed that the secondary switch is always elected as the querier for all VLANs. What could explain this behavior?
Options
- AThe primary switch has a higher MAC address.
- BThe primary switch has a lower uptime.
- CThe secondary switch has a higher VRRP priority.
- DThe secondary switch has a lower IP address.
How the community answered
(44 responses)- A7% (3)
- B11% (5)
- C23% (10)
- D59% (26)
Explanation
IGMP querier election is based on the lowest IP address in the VLAN. If the secondary switch has a lower IP address than the primary, it will always be elected as the querier.
Topics
#IGMP querier election#PIM#VSX#multicast
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